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octonion
  • Member for 9 years, 8 months
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32 votes
1 answer
2k views

Does the heat equation violate causality?

29 votes
2 answers
1k views

$\phi^4$ theory kinks as fermions?

14 votes
2 answers
542 views

Yukawa interaction in QM (0+1D field theory)

13 votes
2 answers
666 views

Haag's theorem in a box

9 votes
1 answer
887 views

Temperature in the Hamiltonian limit

8 votes
1 answer
351 views

Constructing differential equation from arbitrary Hamiltonian

8 votes
2 answers
387 views

Quantizing highly nonlinear field-theories?

8 votes
0 answers
608 views

Mermin-Wagner and Heisenberg spin chains

7 votes
1 answer
1k views

$SU(2)$ and $SO(3)$ WZW models

6 votes
1 answer
351 views

Bosonization and gauge symmetry

6 votes
0 answers
176 views

Stueckelberg mechanism in path integrals

6 votes
0 answers
180 views

SUSY sigma model in QM, bosonic sector?

6 votes
0 answers
162 views

Holography vs edge modes in Chern-Simons theories

6 votes
1 answer
75 views

Perturbations of an integrable system with no resonant tori

5 votes
1 answer
547 views

Interacting fermions on a lattice

5 votes
1 answer
565 views

Coupling constants in QFT equations of motion

4 votes
0 answers
191 views

Second law of thermodynamics in linear response theory

4 votes
0 answers
288 views

Linear terms in Wilson approach to renormalization

4 votes
1 answer
238 views

LSZ and current conservation

4 votes
2 answers
482 views

How do we know the number of photons in a decay?

4 votes
1 answer
338 views

Dimensional regularization: order of integration

4 votes
2 answers
1k views

How do super-renormalizable theories renormalize?

4 votes
0 answers
229 views

Field strength renormalization and the energy-momentum tensor

4 votes
0 answers
67 views

AdS-CFT on a torus

3 votes
0 answers
58 views

Integrating out the 5th dimension in AdS/CFT

3 votes
1 answer
127 views

Massless limit of Dirac fermion correlation functions

3 votes
0 answers
63 views

Semi-classical spinning strings and AdS-CFT

3 votes
2 answers
488 views

One-loop triangle integral with equal masses

3 votes
0 answers
58 views

Fermions coupled to BF theory and asymptotic freedom

3 votes
1 answer
407 views

Perturbative vs Wilsonian renormalization in 2D